document.write( "Question 547996: (k plus 10) squared \n" ); document.write( "
Algebra.Com's Answer #356678 by jim_thompson5910(35256)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"%28k%2B10%29%5E2\" Start with the given expression.\r
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\n" ); document.write( "\n" ); document.write( "\"%28k%2B10%29%28k%2B10%29\" Expand. Remember something like \"x%5E2=x%2Ax\".\r
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\n" ); document.write( "\n" ); document.write( "Now let's FOIL the expression.\r
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\n" ); document.write( "\n" ); document.write( "Remember, when you FOIL an expression, you follow this procedure:\r
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\n" ); document.write( "\n" ); document.write( "\"%28highlight%28k%29%2B10%29%28highlight%28k%29%2B10%29\" Multiply the First terms:\"%28k%29%2A%28k%29=k%5E2\".\r
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\n" ); document.write( "\n" ); document.write( "\"%28highlight%28k%29%2B10%29%28k%2Bhighlight%2810%29%29\" Multiply the Outer terms:\"%28k%29%2A%2810%29=10%2Ak\".\r
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\n" ); document.write( "\n" ); document.write( "\"%28k%2Bhighlight%2810%29%29%28highlight%28k%29%2B10%29\" Multiply the Inner terms:\"%2810%29%2A%28k%29=10%2Ak\".\r
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\n" ); document.write( "\n" ); document.write( "\"%28k%2Bhighlight%2810%29%29%28k%2Bhighlight%2810%29%29\" Multiply the Last terms:\"%2810%29%2A%2810%29=100\".\r
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\n" ); document.write( "\n" ); document.write( "So we have the terms: \"k%5E2\", \"10%2Ak\", \"10%2Ak\", \"100\" \r
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\n" ); document.write( "\n" ); document.write( "\"k%5E2%2B10%2Ak%2B10%2Ak%2B100\" Now add every term listed above to make a single expression.\r
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\n" ); document.write( "\n" ); document.write( "\"k%5E2%2B20k%2B100\" Now combine like terms.\r
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\n" ); document.write( "\n" ); document.write( "So \"%28k%2B10%29%5E2\" FOILs to \"k%5E2%2B20k%2B100\".\r
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\n" ); document.write( "\n" ); document.write( "In other words, \"%28k%2B10%29%5E2=k%5E2%2B20k%2B100\".
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